nbs4.dk

Records from scan: 2026-10-07 04:01:52 · 759ms total · last checked 2026-10-16 16:46 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nbs4.dk is a .dk domain served by 2 nameservers (ns1.telecomx.dk, ns2.telecomx.dk). It was registered on 6 September 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.51.79.112 is hosted by Powernet Aps (AS205984) in Denmark. Mail is handled by nbs4-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.telecomx.dk	62.192.160.190	ns1.telecomx.dk	AS205984 Powernet Aps
ns2.telecomx.dk	62.192.160.191	ns2.telecomx.dk	AS205984 Powernet Aps

🌍 A Records#

1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.51.79.112	600s	ph01.powernet.dk	AS205984	Powernet Aps	185.51.78.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	nbs4-dk.mail.protection.outlook.com	2a01:111:f403:ca21::c 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::12 2a01:111:f403:ca48::e 52.101.209.31 52.101.68.12 52.101.68.25 52.101.91.153	mail-matpr04cu00204.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136
🔶 Autoconfig	nbs4.dk → 185.51.79.112

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 144ms

TXT Record
MS=ms12939430
v=spf1 a mx a:mail.powernetmail.dk ip4:185.51.79.235 ip4:185.51.79.242 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (nbs4.dk)
-all (hard fail)	v=spf1 a mx a:mail.powernetmail.dk ip4:185.51.79.235 ip4:185.51.79.242 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-09 04:10:47

www CNAME	nbs4.dk (all on nbs4.dk) → 185.51.79.112 (AS205984)
www vs bare domain	Same network nbs4.dk: 185.51.79.112 (AS205984) www.nbs4.dk: 185.51.79.112 (AS205984)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.nbs4.dk	nbs4.dk

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

55ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

32ms

Field	Value
Serial	32
Primary NS (MNAME)	ns1.telecomx.dk
Responsible (RNAME)	hostmaster@telecomx.dk
Refresh	3600s
Retry	600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-07 04:21:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-09-06
Expires	2027-09-30 (348d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

36ms

33ms

AAAA

36ms

TXT

144ms

CAA

46ms

HTTPS

48ms

TLSA

376ms

SOA

32ms

MTA-STS

50ms

DNSSEC

55ms

SRV

100ms

Total

759ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 04:01:52 shown	759ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-05 22:24:22	659ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-25 20:36:34	487ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-19 23:56:48	4450ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-06 10:35:35	4545ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-02 14:55:32	533ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-25 15:21:29	1345ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-18 05:54:24	687ms	2 NS 1 A 2 MX	🔓 Insecure